+
+static int cfi_query_string(struct flash_bank_s *bank, int address)
+{
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ target_t *target = bank->target;
+ int retval;
+ uint8_t command[8];
+
+ cfi_command(bank, 0x98, command);
+ if ((retval = target_write_memory(target, flash_address(bank, 0, address), bank->bus_width, 1, command)) != ERROR_OK)
+ {
+ return retval;
+ }
+
+ cfi_info->qry[0] = cfi_query_u8(bank, 0, 0x10);
+ cfi_info->qry[1] = cfi_query_u8(bank, 0, 0x11);
+ cfi_info->qry[2] = cfi_query_u8(bank, 0, 0x12);
+
+ LOG_DEBUG("CFI qry returned: 0x%2.2x 0x%2.2x 0x%2.2x", cfi_info->qry[0], cfi_info->qry[1], cfi_info->qry[2]);
+
+ if ((cfi_info->qry[0] != 'Q') || (cfi_info->qry[1] != 'R') || (cfi_info->qry[2] != 'Y'))
+ {
+ cfi_command(bank, 0xf0, command);
+ if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK)
+ {
+ return retval;
+ }
+ cfi_command(bank, 0xff, command);
+ if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK)
+ {
+ return retval;
+ }
+ LOG_ERROR("Could not probe bank: no QRY");
+ return ERROR_FLASH_BANK_INVALID;
+ }
+
+ return ERROR_OK;
+}
+